Finding the Fourth Proportional to 61.42, 92.09 and 41.09
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Solution
The fourth proportional to 61.42, 92.09 and 41.09 is: 61.61
Step by Step Solution
- Step 1: Write the proportion equation
61.42 : 92.09 = 41.09 : x - Step 2: Convert to fraction form
61.42/92.09 = 41.09/x - Step 3: Cross multiply
61.42x = 92.09 × 41.09 - Step 4: Simplify right side
61.42x = 3,784.31 - Step 5: Solve for x
x = 3,784.31/61.42 - Step 6: Final answer
x = 61.61
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.